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Merge branch 'master' of git://factorcode.org/git/factor

db4
Slava Pestov 2009-03-16 20:54:36 -05:00
parent bdec395130 8eea41b537
commit e1a358a30c
7 changed files with 22 additions and 23 deletions
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11
basis/images/bitmap/bitmap.factor
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@ -83,14 +83,15 @@ ERROR: bmp-not-supported n ;
:: fixup-color-index ( loading-bitmap -- loading-bitmap )
loading-bitmap width>> :> width
width 3 * :> width*3
loading-bitmap height>> abs :> height
loading-bitmap color-index>> length :> color-index-length
height 3 * :> height*3
color-index-length width height*3 * - height*3 /i :> misaligned
misaligned 0 > [
color-index-length height /i :> stride
color-index-length width*3 height * - height /i :> padding
padding 0 > [
loading-bitmap [
loading-bitmap width>> misaligned + 3 * <sliced-groups>
[ 3 misaligned * head* ] map concat
stride <sliced-groups>
[ width*3 head-slice ] map concat
] change-color-index
] [
loading-bitmap

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34
basis/images/tiff/tiff.factor
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@ -477,26 +477,24 @@ ERROR: unknown-component-order ifd ;
[ unknown-component-order ]
} case ;
: normalize-alpha-data ( seq -- byte-array )
! [ normalize-alpha-data ] change-bitmap
B{ } like dup
byte-array>float-array
4 <sliced-groups>
[
dup fourth dup 0 = [
2drop
] [
[ 3 head-slice ] dip '[ _ / ] change-each
] if
] each ;
: handle-alpha-data ( ifd -- ifd )
dup extra-samples find-tag {
{ extra-samples-associated-alpha-data [
[
B{ } like dup
byte-array>float-array
4 <sliced-groups>
[
dup fourth dup 0 = [
2drop
] [
[ 3 head-slice ] dip '[ _ / ] change-each
] if
] each
] change-bitmap
] }
{ extra-samples-unspecified-alpha-data [
] }
{ extra-samples-unassociated-alpha-data [
] }
{ extra-samples-associated-alpha-data [ ] }
{ extra-samples-unspecified-alpha-data [ ] }
{ extra-samples-unassociated-alpha-data [ ] }
[ bad-extra-samples ]
} case ;